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jg75/lambda_handler.js

Created October 16, 2019 20:13
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Serverless VPC lambda skeleton
Raw
lambda_handler.js
'use strict';
console.log('Loading function');
exports.handler = async (event, context) => {
console.log('Received event:', JSON.stringify(event, null, 2));
let responseBody = {
message: "This is a message",
input: event
};
let response = {
statusCode: 200,
headers: {},
body: JSON.stringify(responseBody)
};
console.log('Sending response: ' + JSON.stringify(response))
return response;
};
Raw
serverless.yml
service: serverless-network
provider:
name: aws
runtime: nodejs10.x
stage: ${opt:stage, 'dev'}
region: ${opt:region, 'us-east-1'}
custom:
vpc:
cidr: ${opt:vpc, '172.0.0.0/16'}
public:
subnet1:
cidr: ${opt:public1, '172.0.0.0/18'}
subnet2:
cidr: ${opt:public2, '172.0.64.0/18'}
private:
subnet1:
cidr: ${opt:private1, '172.0.128.0/18'}
subnet2:
cidr: ${opt:private2, '172.0.192.0/18'}
functions:
VpcFunction:
handler: lambda_handler.handler
name: ${self:service}-${self:provider.stage}-function
vpc:
securityGroupIds:
- Ref: VpcFunctionSecurityGroup
subnetIds:
- Ref: PrivateSubnet1
- Ref: PrivateSubnet2
DependsOn:
- Ref: VpcFunctionSecurityGroup
- Ref: PrivateSubnet1
- Ref: PrivateSubnet2
events:
- http:
path: /
method: ANY
- http: ANY {proxy+}
resources:
Resources:
Vpc:
Type: AWS::EC2::VPC
Properties:
CidrBlock: ${self:custom.vpc.cidr}
Tags:
- Key: Name
Value: ${self:service}-${self:provider.stage}
EnableDnsHostnames: true
EnableDnsSupport: true
InternetGateway:
Type: AWS::EC2::InternetGateway
InternetGatewayAttachment:
Type: AWS::EC2::VPCGatewayAttachment
DependsOn:
- Vpc
- InternetGateway
Properties:
VpcId:
Ref: Vpc
InternetGatewayId:
Ref: InternetGateway
PublicRouteTable:
Type: AWS::EC2::RouteTable
DependsOn:
- Vpc
Properties:
VpcId:
Ref: Vpc
PublicRoute:
Type: AWS::EC2::Route
DependsOn:
- PublicRouteTable
- InternetGateway
Properties:
RouteTableId:
Ref: PublicRouteTable
DestinationCidrBlock: 0.0.0.0/0
GatewayId:
Ref: InternetGateway
PublicSubnet1:
Type: AWS::EC2::Subnet
DependsOn:
- Vpc
Properties:
VpcId:
Ref: Vpc
CidrBlock: ${self:custom.vpc.public.subnet1.cidr}
AvailabilityZone: ${self:provider.region}a
PublicSubnet1RouteTableAssociation:
Type: AWS::EC2::SubnetRouteTableAssociation
DependsOn:
- PublicSubnet1
- PublicRouteTable
Properties:
SubnetId:
Ref: PublicSubnet1
RouteTableId:
Ref: PublicRouteTable
PublicSubnet2:
Type: AWS::EC2::Subnet
DependsOn:
- Vpc
Properties:
VpcId:
Ref: Vpc
CidrBlock: ${self:custom.vpc.public.subnet2.cidr}
AvailabilityZone: ${self:provider.region}b
PublicSubnet2RouteTableAssociation:
Type: AWS::EC2::SubnetRouteTableAssociation
DependsOn:
- PublicSubnet2
- PublicRouteTable
Properties:
SubnetId:
Ref: PublicSubnet2
RouteTableId:
Ref: PublicRouteTable
NatGateway1ElasticIp:
Type: AWS::EC2::EIP
DependsOn:
- Vpc
Properties:
Domain: vpc
NatGateway1:
Type: AWS::EC2::NatGateway
DependsOn:
- PublicSubnet1
- NatGateway1ElasticIp
Properties:
SubnetId:
Ref: PublicSubnet1
AllocationId:
Fn::GetAtt: [NatGateway1ElasticIp, AllocationId]
PrivateRouteTable1:
Type: AWS::EC2::RouteTable
DependsOn:
- Vpc
Properties:
VpcId:
Ref: Vpc
PrivateRoute1:
Type: AWS::EC2::Route
DependsOn:
- PrivateRouteTable1
- NatGateway1
Properties:
RouteTableId:
Ref: PrivateRouteTable1
DestinationCidrBlock: 0.0.0.0/0
NatGatewayId:
Ref: NatGateway1
PrivateSubnet1:
Type: AWS::EC2::Subnet
DependsOn:
- Vpc
Properties:
VpcId:
Ref: Vpc
CidrBlock: ${self:custom.vpc.private.subnet1.cidr}
AvailabilityZone: ${self:provider.region}a
PrivateSubnet1RouteTableAssociation:
Type: AWS::EC2::SubnetRouteTableAssociation
DependsOn:
- PrivateSubnet1
- PrivateRouteTable1
Properties:
SubnetId:
Ref: PrivateSubnet1
RouteTableId:
Ref: PrivateRouteTable1
NatGateway2ElasticIp:
Type: AWS::EC2::EIP
DependsOn:
- Vpc
Properties:
Domain: vpc
NatGateway2:
Type: AWS::EC2::NatGateway
DependsOn:
- PublicSubnet2
- NatGateway2ElasticIp
Properties:
SubnetId:
Ref: PublicSubnet2
AllocationId:
Fn::GetAtt: [NatGateway2ElasticIp, AllocationId]
PrivateRouteTable2:
Type: AWS::EC2::RouteTable
DependsOn:
- Vpc
Properties:
VpcId:
Ref: Vpc
PrivateRoute2:
Type: AWS::EC2::Route
DependsOn:
- PrivateRouteTable2
- NatGateway2
Properties:
RouteTableId:
Ref: PrivateRouteTable2
DestinationCidrBlock: 0.0.0.0/0
NatGatewayId:
Ref: NatGateway2
PrivateSubnet2:
Type: AWS::EC2::Subnet
DependsOn:
- Vpc
Properties:
VpcId:
Ref: Vpc
CidrBlock: ${self:custom.vpc.private.subnet2.cidr}
AvailabilityZone: ${self:provider.region}b
PrivateSubnet2RouteTableAssociation:
Type: AWS::EC2::SubnetRouteTableAssociation
DependsOn:
- PrivateSubnet2
- PrivateRouteTable2
Properties:
SubnetId:
Ref: PrivateSubnet2
RouteTableId:
Ref: PrivateRouteTable2
VpcFunctionSecurityGroup:
Type: AWS::EC2::SecurityGroup
DependsOn:
- Vpc
Properties:
GroupName: Function
GroupDescription: ${self:service}-${self:provider.stage}-function
VpcId:
Ref: Vpc
DbSecurityGroup:
Type: AWS::EC2::SecurityGroup
DependsOn:
- Vpc
- VpcFunctionSecurityGroup
Properties:
GroupName: DB
GroupDescription: ${self:service}-${self:provider.stage}-db
SecurityGroupIngress:
- SourceSecurityGroupId:
Ref: VpcFunctionSecurityGroup
IpProtocol: tcp
FromPort: 5432
ToPort: 5432
VpcId:
Ref: Vpc
ElasticSearchSecurityGroup:
Type: AWS::EC2::SecurityGroup
DependsOn:
- Vpc
- VpcFunctionSecurityGroup
Properties:
GroupName: ElasticSearch
GroupDescription: ${self:service}-${self:provider.stage}-elasticsearch
SecurityGroupIngress:
- SourceSecurityGroupId:
Ref: VpcFunctionSecurityGroup
IpProtocol: tcp
FromPort: 80
ToPort: 80
- SourceSecurityGroupId:
Ref: VpcFunctionSecurityGroup
IpProtocol: tcp
FromPort: 443
ToPort: 443
VpcId:
Ref: Vpc
Outputs:
Vpc:
Value:
Fn::GetAtt: [Vpc, CidrBlock]
PublicSubnet1:
Value:
Ref: PublicSubnet1
PublicSubnet1AvailabilityZone:
Value:
Fn::GetAtt: [PublicSubnet1, AvailabilityZone]
PublicSubnet2:
Value:
Ref: PublicSubnet2
PublicSubnet2AvailabilityZone:
Value:
Fn::GetAtt: [PublicSubnet2, AvailabilityZone]
PrivateSubnet1:
Value:
Ref: PrivateSubnet1
PrivateSubnet1AvailabilityZone:
Value:
Fn::GetAtt: [PrivateSubnet1, AvailabilityZone]
PrivateSubnet2:
Value:
Ref: PrivateSubnet2
PrivateSubnet2AvailabilityZone:
Value:
Fn::GetAtt: [PrivateSubnet2, AvailabilityZone]
NatGateway1ElasticIp:
Value:
Ref: NatGateway1ElasticIp
NatGateway2ElasticIp:
Value:
Ref: NatGateway2ElasticIp
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